VHDL Menggunakan Xilinx ISE

Penambahan proyek menggunakan masukan VHDL baru dapat dilakukan dengan memilih new source di proyek, kemudian memilih jenis modul VHDL baru dan nama entity.

Desain yang dibuat untuk membuat keluaran 8 LED berkedip pada FPGA Spartan 3E Starter Kit secara berurutan. Clock digunakan untuk men-trigger sinyal agar berlaku proses sekuensial yang ditandai dengan keluaran LED. Frekuensi clock yang terdapat pada FPGA Spartan 3E starter kit adalah 50 MHz (waktunya 20 ns), clock ini kemudian akan di buat menjadi 1 detik dengan menambahkan clock divider.

Pilih next, kemudian akan muncul ringkasan dari proyek yang dibuat.

VHDL yang dibuat dengan entity di atas adalah:

library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
—- Uncomment the following library declaration if instantiating
—- any Xilinx primitives in this code.
–library UNISIM;
–use UNISIM.VComponents.all;
entity Proyek is
    Port ( CLK : in  STD_LOGIC;
           LED : out  STD_LOGIC_VECTOR (7 downto 0));
end ;
architecture Watak of Proyek is
signal poin: STD_LOGIC_VECTOR(7 DOWNTO 0):=”00000001″;
signal counter: INTEGER:=0;
constant counter_max: INTEGER:=49999999;
begin
process (CLK) is — Pembagi clock
begin
if rising_edge(CLK) then
            if counter<counter_max then
                        counter<=counter+1;
            else
                        counter<=0;
            end if;
end if;
end process;
process (CLK) is
begin
            if clk’EVENT and clk=’1′ then
                        if counter=0 then
                                    poin<=poin(6 downto 0)&poin(7);
                        end if;
            end if;
end process;
            LED<=poin;
end;

Post Author: ferrywahyu

My name is Ferry Wahyu Wibowo. I’m interested in the research field of intelligent reconfigurable systems. This field is combination between artificial intelligent and reconfigurable computing. Nama saya Ferry Wahyu Wibowo. Saya tertarik dalam bidang penelitian sistem yang dapat direkonfigurasi cerdas. Bidang ini merupakan kombinasi antara kecerdasan buatan dan komputasi yang dapat direkonfigurasi.

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